Home / 7,638.96-11,432.24-5,301.61

Finding the Fourth Proportional to 7,638.96, 11,432.24 and 5,301.61

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Solution

The fourth proportional to 7,638.96, 11,432.24 and 5,301.61 is: 7,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.96 : 11,432.24 = 5,301.61 : x
  2. Step 2: Convert to fraction form
    7,638.96/11,432.24 = 5,301.61/x
  3. Step 3: Cross multiply
    7,638.96x = 11,432.24 × 5,301.61
  4. Step 4: Simplify right side
    7,638.96x = 60,609,277.91
  5. Step 5: Solve for x
    x = 60,609,277.91/7,638.96
  6. Step 6: Final answer
    x = 7,934.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.